This is xnu-12377.1.9. See this file in:
/*
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*
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*
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* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
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*
* Please obtain a copy of the License at
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* The Original Code and all software distributed under the License are
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*/
/*
* vm/configurator_vm_inherit.c
*
* Test vm_inherit with many different VM states.
*/
#include "configurator/vm_configurator_tests.h"
T_GLOBAL_META(
T_META_NAMESPACE("xnu.vm.configurator"),
T_META_RADAR_COMPONENT_NAME("xnu"),
T_META_RADAR_COMPONENT_VERSION("VM"),
T_META_RUN_CONCURRENTLY(true),
T_META_ASROOT(true), /* required for vm submap sysctls */
T_META_ALL_VALID_ARCHS(true)
);
/*
* Update the checker state to mirror a vm_inherit call.
*/
static void
checker_perform_vm_inherit(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size,
vm_inherit_t inheritance)
{
/* vm_inherit allows unallocated holes */
entry_checker_range_t limit =
checker_list_find_range_including_holes(checker_list, start, size);
if (limit.head->kind != Hole) {
checker_clip_left(checker_list, limit.head, start);
}
if (limit.tail->kind != Hole) {
checker_clip_right(checker_list, limit.tail, start + size);
}
FOREACH_CHECKER(checker, limit) {
if (checker->kind == Allocation) {
checker->inheritance = inheritance;
}
}
}
/*
* Perform and check a call to vm_inherit that is expected to succeed.
*/
static test_result_t
successful_vm_inherit(
checker_list_t *checker_list,
mach_vm_address_t start,
mach_vm_size_t size)
{
kern_return_t kr;
vm_inherit_t inherit = VM_INHERIT_SHARE;
checker_perform_vm_inherit(checker_list, start, size, inherit);
kr = mach_vm_inherit(mach_task_self(), start, size, inherit);
if (kr != 0) {
return TestFailed;
}
return verify_vm_state(checker_list, "after vm_inherit");
}
T_DECL(vm_inherit,
"run vm_inherit with various vm configurations")
{
vm_tests_t tests = {
.single_entry_1 = successful_vm_inherit,
.single_entry_2 = successful_vm_inherit,
.single_entry_3 = successful_vm_inherit,
.single_entry_4 = successful_vm_inherit,
.multiple_entries_1 = successful_vm_inherit,
.multiple_entries_2 = successful_vm_inherit,
.multiple_entries_3 = successful_vm_inherit,
.multiple_entries_4 = successful_vm_inherit,
.multiple_entries_5 = successful_vm_inherit,
.multiple_entries_6 = successful_vm_inherit,
.some_holes_1 = successful_vm_inherit,
.some_holes_2 = successful_vm_inherit,
.some_holes_3 = successful_vm_inherit,
.some_holes_4 = successful_vm_inherit,
.some_holes_5 = successful_vm_inherit,
.some_holes_6 = successful_vm_inherit,
.some_holes_7 = successful_vm_inherit,
.some_holes_8 = successful_vm_inherit,
.some_holes_9 = successful_vm_inherit,
.some_holes_10 = successful_vm_inherit,
.some_holes_11 = successful_vm_inherit,
.some_holes_12 = successful_vm_inherit,
.all_holes_1 = successful_vm_inherit,
.all_holes_2 = successful_vm_inherit,
.all_holes_3 = successful_vm_inherit,
.all_holes_4 = successful_vm_inherit,
.null_entry = successful_vm_inherit,
.nonresident_entry = successful_vm_inherit,
.resident_entry = successful_vm_inherit,
.shared_entry = successful_vm_inherit,
.shared_entry_discontiguous = successful_vm_inherit,
.shared_entry_partial = successful_vm_inherit,
.shared_entry_pairs = successful_vm_inherit,
.shared_entry_x1000 = successful_vm_inherit,
.cow_entry = successful_vm_inherit,
.cow_unreferenced = successful_vm_inherit,
.cow_nocow = successful_vm_inherit,
.nocow_cow = successful_vm_inherit,
.cow_unreadable = successful_vm_inherit,
.cow_unwriteable = successful_vm_inherit,
.permanent_entry = successful_vm_inherit,
.permanent_before_permanent = successful_vm_inherit,
.permanent_before_allocation = successful_vm_inherit,
.permanent_before_allocation_2 = successful_vm_inherit,
.permanent_before_hole = successful_vm_inherit,
.permanent_after_allocation = successful_vm_inherit,
.permanent_after_hole = successful_vm_inherit,
.single_submap_single_entry = successful_vm_inherit,
.single_submap_single_entry_first_pages = successful_vm_inherit,
.single_submap_single_entry_last_pages = successful_vm_inherit,
.single_submap_single_entry_middle_pages = successful_vm_inherit,
.single_submap_oversize_entry_at_start = successful_vm_inherit,
.single_submap_oversize_entry_at_end = successful_vm_inherit,
.single_submap_oversize_entry_at_both = successful_vm_inherit,
.submap_before_allocation = successful_vm_inherit,
.submap_after_allocation = successful_vm_inherit,
.submap_before_hole = successful_vm_inherit,
.submap_after_hole = successful_vm_inherit,
.submap_allocation_submap_one_entry = successful_vm_inherit,
.submap_allocation_submap_two_entries = successful_vm_inherit,
.submap_allocation_submap_three_entries = successful_vm_inherit,
.submap_before_allocation_ro = successful_vm_inherit,
.submap_after_allocation_ro = successful_vm_inherit,
.submap_before_hole_ro = successful_vm_inherit,
.submap_after_hole_ro = successful_vm_inherit,
.submap_allocation_submap_one_entry_ro = successful_vm_inherit,
.submap_allocation_submap_two_entries_ro = successful_vm_inherit,
.submap_allocation_submap_three_entries_ro = successful_vm_inherit,
.protection_single_000_000 = successful_vm_inherit,
.protection_single_000_r00 = successful_vm_inherit,
.protection_single_000_0w0 = successful_vm_inherit,
.protection_single_000_rw0 = successful_vm_inherit,
.protection_single_r00_r00 = successful_vm_inherit,
.protection_single_r00_rw0 = successful_vm_inherit,
.protection_single_0w0_0w0 = successful_vm_inherit,
.protection_single_0w0_rw0 = successful_vm_inherit,
.protection_single_rw0_rw0 = successful_vm_inherit,
.protection_pairs_000_000 = successful_vm_inherit,
.protection_pairs_000_r00 = successful_vm_inherit,
.protection_pairs_000_0w0 = successful_vm_inherit,
.protection_pairs_000_rw0 = successful_vm_inherit,
.protection_pairs_r00_000 = successful_vm_inherit,
.protection_pairs_r00_r00 = successful_vm_inherit,
.protection_pairs_r00_0w0 = successful_vm_inherit,
.protection_pairs_r00_rw0 = successful_vm_inherit,
.protection_pairs_0w0_000 = successful_vm_inherit,
.protection_pairs_0w0_r00 = successful_vm_inherit,
.protection_pairs_0w0_0w0 = successful_vm_inherit,
.protection_pairs_0w0_rw0 = successful_vm_inherit,
.protection_pairs_rw0_000 = successful_vm_inherit,
.protection_pairs_rw0_r00 = successful_vm_inherit,
.protection_pairs_rw0_0w0 = successful_vm_inherit,
.protection_pairs_rw0_rw0 = successful_vm_inherit,
};
run_vm_tests("vm_inherit", __FILE__, &tests, argc, argv);
}